SN4 ""

No	Pattern	Freq
1	[noun pl] [conj] it become	73
2	[noun pl] [subord] it become	50
3	[noun pl] [conj] it became	48
4	[noun pl] [conj] it becomes	25
5	[noun pl] when it become	16
6	[noun pl] when it become	16
7	[noun pl] [coord] it become	16
8	[noun pl] and it become	14
9	[noun pl] and it become	14
10	[noun pl] before it become	11
11	[noun pl] before it become	11
12	[noun pl] that it become	7
13	[noun pl] [that] it become	7
14	[noun pl] that it become	7
15	[noun pl] as it become	6
16	[noun pl] as it become	6
17	[noun pl] once it become	5
18	[noun pl] once it become	5